Skateboard



FIG. 1 is an upper, front, and left side perspective view of a skateboard showing the new design;

FIG. 2 is a front view thereof, the rear view is a mirror image of the front view;

FIG. 3 is a top view thereof;

FIG. 4 is left side view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a right side view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.

The stippling and shading lines shown in the drawings represent the approximate three-dimensional contour of the design, and are not intended to indicate surface decoration. 

CLAIM What is claimed is the ornamental design for a skateboard, as shown and described. 